3Y Avg Price
£269,714
7 sales
Properties
51
2 freehold · 49 leasehold
Sales / Year
2.8
5-year average
Avg £/sq ft
£289
£3,114/m²
Rank in SO15
128th
of 246 streets
Last Sale
£270,000
Jan 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
112 total recorded
FLAT 10, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£270,000
Jan 2026
FLAT 23, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£283,000
Dec 2025
FLAT 28, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£250,000
Oct 2025
FLAT 41, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£200,000
Jul 2025
FLAT 16, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£325,000
Oct 2024
FLAT 19, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£285,000
Jun 2024
FLAT 13, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£275,000
Apr 2024
FLAT 7, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£292,500
May 2023
FLAT 35, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£250,000
Mar 2023
FLAT 41, OSBORNE HOUSE Grosvenor Square
Flat/Maisonette
£184,000
Jul 2022
Street Rankings — SO15
Streets ranked by 3-year average sale price. Showing positions 124–133 of 246.
| # | Street | 3Y Avg |
|---|---|---|
| 124 | Andover Road | £277,125 |
| 125 | Marchwood Road | £276,833 |
| 126 | Blighmont Avenue | £275,000 |
| 127 | Berkeley Close | £270,000 |
| 128 | Grosvenor Square | £269,714 |
| 129 | Handel Terrace | £269,333 |
| 130 | Ampthill Road | £269,000 |
| 131 | Ashdene | £266,667 |
| 132 | Kingsley Road | £265,479 |
| 133 | Whitehouse Gardens | £265,000 |
Property Mix
Type
Tenure
EPC Ratings
49 of 51 properties have an EPC record
Avg floor area: 893 sq ft (83 m²)
District Context — SO15
SO15 covers the central Southampton area, including the city centre and surrounding residential neighbourhoods. It is a diverse, urban district with a strong rental market and considerable student and young professional populations.
Average Property Price - SO15
£284,882
38
National percentile
Average Net Household Income - SO15
£41,194
63
National percentile
10-Year Annualised Price Growth - SO15
3.4%
43
National percentile
10-Year Annualised Rent Growth - SO
3.8%
44
National percentile